upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
81 lines
1.9 KiB
81 lines
1.9 KiB
14 years ago
|
/*
|
||
|
|
* (C) Copyright 2010
|
||
|
|
* Renesas Solutions Corp.
|
||
|
|
* Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
|
||
|
|
*
|
||
|
|
* See file CREDITS for list of people who contributed to this
|
||
|
|
* project.
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU General Public License as
|
||
|
|
* published by the Free Software Foundation; either version 2 of
|
||
|
|
* the License, or (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this program; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||
|
|
* MA 02111-1307 USA
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Linux SuperH zImage loading and boot
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <common.h>
|
||
|
|
#include <asm/io.h>
|
||
|
|
#include <asm/zimage.h>
|
||
|
|
|
||
|
|
int do_sh_zimageboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
||
|
|
{
|
||
|
|
ulong (*zboot_entry)(int, char * const []) = NULL;
|
||
|
|
char *s0, *s1;
|
||
|
|
unsigned char *param = NULL;
|
||
|
|
char *cmdline;
|
||
|
|
char *bootargs;
|
||
|
|
|
||
|
|
disable_interrupts();
|
||
|
|
|
||
|
|
if (argc >= 3) {
|
||
|
|
/* argv[1] holds the address of the zImage */
|
||
|
|
s0 = argv[1];
|
||
|
|
/* argv[2] holds the address of zero page */
|
||
|
|
s1 = argv[2];
|
||
|
|
} else {
|
||
|
|
goto exit;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (s0)
|
||
|
|
zboot_entry = (ulong (*)(int, char * const []))simple_strtoul(s0, NULL, 16);
|
||
|
|
|
||
|
|
/* empty_zero_page */
|
||
|
|
if (s1)
|
||
|
|
param = (unsigned char*)simple_strtoul(s1, NULL, 16);
|
||
|
|
|
||
|
|
/* Linux kernel command line */
|
||
|
|
cmdline = (char *)param + COMMAND_LINE;
|
||
|
|
bootargs = getenv("bootargs");
|
||
|
|
|
||
|
|
/* Clear zero page */
|
||
|
|
memset(param, 0, 0x1000);
|
||
|
|
|
||
|
|
/* Set commandline */
|
||
|
|
strcpy(cmdline, bootargs);
|
||
|
|
|
||
|
|
/* Boot */
|
||
|
|
zboot_entry(0, NULL);
|
||
|
|
|
||
|
|
exit:
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
U_BOOT_CMD(
|
||
|
|
zimageboot, 3, 0, do_sh_zimageboot,
|
||
|
|
"Boot zImage for Renesas SH",
|
||
|
|
""
|
||
|
|
);
|